#3E53BC#3E53BC

#3E53BC is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.7% C 0.166 H 270.5°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#3E53BC
RGB	rgb(62, 83, 188)
HSL	hsl(230, 50%, 49%)
HSV	hsv(230, 67%, 74%)
CMYK	cmyk(67%, 55.9%, 0%, 26.3%)
CIE-LAB	lab(39.31, 26.62, -57.81)
CIE-LCH	lch(39.31, 63.65, 294.72°)
OKLab	oklab(48.7% 0.0014 -0.1663)
OKLCH	oklch(48.7% 0.166 270.5)
XYZ	xyz(14.1539, 10.8402, 48.9137)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E53BC #BCA73E

analogous

#3E92BC #3E53BC #683EBC

triadic

#3E53BC #BC3E53 #53BC3E

tetradic

#3E53BC #BC3E92 #BCA73E #3EBC68

square

#3E53BC #BC3E92 #BCA73E #3EBC68

split-complementary

#3E53BC #BC683E #92BC3E

monochromatic

#202A60 #2F3F8E #3E53BC #6A7ACE #98A3DD

Accessibility & contrast

On white

6.63

#3E53BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3E53BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E53BC

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E53BC	#FFFFFF	#000000	##FFFFFF
##3E53BC	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C0

Deuteranopia (green-blind)

#0057BA

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3e53bc;
/* rgb */ color: rgb(62, 83, 188);
/* oklch */ color: oklch(48.7% 0.166 270.5);

Tailwind

colors: {
  custom: {
    50: '#8283d1',
    500: '#3e53bc',
    950: '#000000',
  },
}

SCSS

$custom: #3e53bc;
$custom-light: #8283d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3e53bc",
  "rgb": {
    "r": 62,
    "g": 83,
    "b": 188
  },
  "hsl": {
    "h": 230,
    "s": 50.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48698,
    "c": 0.16633,
    "h": 270.5
  },
  "luminance": 0.10841
}

Semantic roles & 50–950 ramp

primary

#3E53BC

secondary

#C9BF8D

accent

#C34EDA

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #3E53BC

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →